The EG4 LifePower4 48V 100Ah Lithium Iron Phosphate (LiFePO₄) Battery is a premium deep-cycle energy storage solution designed for home solar systems, off-grid applications, backup power, RVs, and commercial energy storage. With an impressive 6,000 cycle lifespan, high energy efficiency (99%), and an advanced 100A internal Battery Management System (BMS), this battery provides a reliable, scalable, and safe power solution.
Whether you’re looking for a sustainable energy backup for your home, expanding a solar power system, or creating an off-grid energy bank, the EG4 LifePower4 delivers superior performance, certified safety, and long-term cost savings compared to traditional battery options.
Key Features
- Extended Battery Life – Rated for 6,000 cycles at 80% Depth of Discharge (DoD), lasting 15 years in daily-use applications.
- 99% Efficiency – Maximizes power conversion, reducing energy waste and ensuring reliable performance.
- Advanced Built-in BMS (Battery Management System) – Protects against overcharging, over-discharging, short circuits, and temperature fluctuations for safe operation.
- Expandable Design – Supports up to 64 batteries in parallel, allowing you to scale up to 327.7kWh of storage.
- Industry-Leading Safety Certifications – UL 1973 ETL Recognized Component, UL 9540A tested, and built-in fire arrestors for superior safety.
A High-Performance LiFePO₄ Battery for Versatile Energy Solutions
The EG4® LifePower4 battery is engineered to deliver high-density energy storage with unmatched reliability. Unlike lead-acid batteries, which suffer from short lifespans and frequent maintenance, LiFePO₄ (Lithium Iron Phosphate) technology offers:
- Longer Lifespan – Over 6,000 deep cycles, meaning daily use for 15 years.
- Higher Energy Efficiency – 99% charge/discharge efficiency ensures minimal energy loss.
- Superior Safety – Stable lithium chemistry and advanced BMS prevent overheating and overvoltage issues.
- Lighter & More Compact – Weighing just 99.6 lbs. (45.2 kg), it’s easier to handle and install.
Designed for Seamless Integration
With its 100Ah capacity and 5.12kWh energy storage, the LifePower4 battery is built to support a wide range of energy systems. It integrates smoothly with 48V inverters, including Sol-Ark, Growatt, Victron, and Schneider Electric, and features RS485 & CAN communication ports for real-time monitoring and optimization.
Ideal for:
- Solar Energy Storage – Store excess solar energy for nighttime use or backup power.
- Off-Grid & Remote Power Systems – Reliable energy for cabins, RVs, marine applications, and tiny homes.
- Home & Business Backup Power – Keep essential appliances running during grid outages.
- Scalable Commercial Storage – Expand energy capacity for large-scale operations.
Certified Safety & Durability
When it comes to energy storage, safety is just as important as performance. The EG4® LifePower4 is built with:
- Dual Fire Arrestors – Prevents fire hazards with advanced flame-resistant technology.
- Emergency Stop (E-Stop) Function – Instant shutdown for additional safety.
- UL 1973 & UL 9540A Certified – Tested for thermal safety, fire resistance, and reliability.
- IP20 Protection Rating – Designed for indoor installation in controlled environments.
With these protections in place, the LifePower4 battery meets the highest industry standards, ensuring safe operation for residential and commercial applications.
Scalability & Expandability
Need more power? The LifePower4 battery is modular and scalable, allowing you to expand your system as needed. Connect up to 64 batteries in parallel, reaching a total capacity of 327.7kWh.
This makes it an excellent choice for:
- Large homes needing off-grid power storage
- Businesses looking to lower energy costs
- EV charging stations needing high-capacity power reserves
Technical Specifications
| Specification | Details |
|---|---|
| Model Number/ID | SR-48-100-LP4-IN-02 |
| Battery Type | Lithium Iron Phosphate (LiFePO₄) |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 100Ah |
| Total Energy Storage | 5.12kWh |
| Usable Energy (80% DoD) | 4.1kWh |
| Weight | 99.6 lbs. (45.2 kg) |
| Dimensions (H×W×D) | 6.1 in. × 19 in. × 17.4 in. (155 mm × 442 mm × 470 mm) |
| Max Continuous Charge Current | 100A |
| Max Continuous Discharge Current | 100A |
| Peak Discharge Current | 150A (30 seconds) |
| Communication Protocols | RS485, CAN |
| Operating Temperature (Charge) | 32°F – 113°F (0°C – 45°C) |
| Operating Temperature (Discharge) | -4°F – 122°F (-20°C – 50°C) |
| Storage Temperature | -4°F – 122°F (-20°C – 50°C) |
| Humidity Range | 5% – 95% RH |
| Enclosure Rating | IP20 (Indoor Use) |
| Cycle Life | 6,000 cycles at 80% Depth of Discharge (DoD) |
| Expandable Capacity | Up to 64 batteries in parallel (327.7kWh total) |
| Certifications | UL 1973 ETL Recognized Component, UL 9540A, CE, UN38.3 |
| Compatible Inverters | Sol-Ark, Growatt, Victron, SMA, Schneider, and more |
| Safety Features | Overvoltage, Overcurrent, Short Circuit Protection, Thermal Monitoring |
